Home / 372,931.89-514,511.06-243,943.92

Finding the Fourth Proportional to 372,931.89, 514,511.06 and 243,943.92

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Solution

The fourth proportional to 372,931.89, 514,511.06 and 243,943.92 is: 336,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,931.89 : 514,511.06 = 243,943.92 : x
  2. Step 2: Convert to fraction form
    372,931.89/514,511.06 = 243,943.92/x
  3. Step 3: Cross multiply
    372,931.89x = 514,511.06 × 243,943.92
  4. Step 4: Simplify right side
    372,931.89x = 125,511,843,640.04
  5. Step 5: Solve for x
    x = 125,511,843,640.04/372,931.89
  6. Step 6: Final answer
    x = 336,554.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.